Left and Right: Move Z: Jump Down: Crouch D: Toggle Debug Display On / Off T: Toggle Free Movement Mode (DON'T GO INSIDE WALLS!!!) To perform a spin charge: Crouch and press z a couple of times, then let go of down and z.
I've revived Sonic 3 by DGey132, and this was uploaded to see what he thinks of it. You can also play it to see what you think of it!